Danny ___________ walking backwards.[ ]
A. am
B. is
C. are
D. be
答案:B
As a result of the heavy snow,two-thirds of the buildings in the area .
A. need to repair B.needs to repair C.needs repairing D need repairing.
()插花以德国和荷兰为代表,东方式插花以中国和日本为代表。
A、西方式
B、直立式
C、水平式
D、下垂式